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8 Locations in New South Wales.

07B61AC7-D99B-4E1B-9A37-C58821320079

Kids Costumes

497 products
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    Girls English Nanny Costume - S
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    Toga Boy Costume - 6 - 8 Years
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    Boys Winter Hero Costume - Hooded Top & Pants
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    Kids Aviator Costume Kit
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    Kids Judge Costume Kit
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    Paleontologist Girls Costume - 7 - 8 Years
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    Paleontologist Girls Costume - 11 - 12 Years
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    Kids Prisoner Costume Kit
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    Blue Sequin Dress Kids Costume - 9 - 12 Years
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    Karate Sensei Boys Costume - 7 - 8 Years
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    Karate Sensei Boys Costume - 11 - 12 Years
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  • 5D1A8E53-7A17-4FDD-8AC8-4286FD6B3124 7 in stock
    Waldo Costume
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    Toothless Night Fury Costume - Small
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    Hiccup Battlesuit Costume - Small
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    Pink Doll Dress
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    Hiccup Costume - Small
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    Kids Rocket Costume
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    Kids Mr Rabbit Costume - Medium
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    Boys Fighter Pilot Deluxe Costume - 155cm
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    Girls Red Hooded Girl Deluxe Costume - 140cm
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    Children Grandma Costume - 6 - 9 Years
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    Children Grandma Costume - 6-9 Years
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    Children Grandma Brown - 4-6 Years
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    Children Grandma Brown - 6-9 Years
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    Children Grandma Dress - 6-9 Years
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    Children Chocolatier Costume - 6 - 9 Years
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    Kids Red Spandex Bodysuit - 155cm
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  • 5D1A8E53-7A17-4FDD-8AC8-4286FD6B3124 8 in stock
    Children Wonderland Costume - 6 - 9 Years
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  • 5D1A8E53-7A17-4FDD-8AC8-4286FD6B3124 8 in stock
    Children Wonderland Costume - 10 - 12 Years
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    Deluxe Baby Dragon Costume - Infant
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    Girls Alice Deluxe Costume - 140cm
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  • 5D1A8E53-7A17-4FDD-8AC8-4286FD6B3124 6 in stock
    Girls Alice Costume - M
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    Children Nice Giant Costume - 6 - 9 Years
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    Children Nice Giant Costume - 10 - 12 Years
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    Kids Mad Hatter Girl Costume
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    80s Shell Suit
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    Kids Karate Boy Costume
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    Children Magic Jack Costume - 6 - 9 Years
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    Children Magic Jack Costume - 10 - 12 Years
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    Children Dragon Costume - 10 - 12 Years
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    Children Mad Hat Man Costume - 6 - 9 Years
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    Children Mad Hat Man Costume - 10 - 12 Years
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    Deluxe Little Owl Costume - Toddler
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    Children Grandpa Costume - 4-6 Years
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    Children Grandpa Costume - 6-9 Years
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    Children Red Thing 2 Boy Costume - 6 - 9 Years
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    Children Dalmatian Costume - 4 - 6 Years
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  • 5D1A8E53-7A17-4FDD-8AC8-4286FD6B3124 10 in stock
    Children Dalmatian Costume - 7 - 9 Years
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  • 5D1A8E53-7A17-4FDD-8AC8-4286FD6B3124 9 in stock
    Children Dalmatian Costume - 7 - 9 Years
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    Boys Crusader Costume Kit - Large
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Kids Costumes

Kids costumes for Book Week, Halloween, school dress-up days and birthday parties, with more than 500 outfits and kits in the range. Prices run from $3.49 to $149.99, and most costumes are listed by age band or size so you can pick the right fit before you buy. The Base Warehouse has been dressing up kids across New South Wales since 1989.

Browse by age and group

What is in the kids costumes range

Storybook and career characters sit alongside Halloween costumes. The Girls Storybook Witch Costume Set comes in Large, XL and XXL at $29.99, the Chef Jacket & Hat Costume is $41.99 in 4 - 6 Years and 6 - 8 Years, and the Sustainable Fire Fighter Printed Top & Hat Costume is $35.99 from 2 - 3 Years. For Halloween there is the Kids Deluxe Glow Skeleton Costume - M at $35.99 and the Black Vampire Cape Kids Costume - Medium at $9.99. Dinosaur fans can choose the Toddler Dinosaur Costume at $23.99 or the T-REX INFLATABLE CHILD COSTUME - ONE SIZE 6+ at $149.99, and our dinosaur party range has more to match. Kits keep costs down: the 3 Piece Kids Pirate Dress Up Kit and 3PC FAIRY DRESS UP are $11.99 each, and the Kids Super Spider Hero Costume starts at $11.99. Harry Potter fans will find the Kids Gryffindor Deluxe Child Robe - Size 6+ Years at $44.99.

How to size a kids costume

Sizes are shown three ways in the titles: age bands like 4 - 6 Years or 10 - 12 Years, letter sizes like M, L, XL and XXL, and height, such as the Boys Army Boy Deluxe Costume - 140cm. Measure your child's height and compare it with the clothes they wear now; if they sit between two sizes, go up, because costumes are pulled on over a T-shirt and shorts. Try it on a few days before the event so there is time to adjust. For a witch or wizard, finish with a hat and broom from our witches and wizards range, and for any face paint, do a patch test first and follow the packet directions. Browse all costumes for kids and adults.

Shop kids costumes in store or online

Book Week, Halloween in October and end-of-year concerts keep the dress-up calendar busy, so plan costumes a few weeks out. For October, see our boys, girls and toddler Halloween costumes. Order online for delivery Australia wide, or shop in person at any of our stores across New South Wales: Gregory Hills, Brookvale, Menai, Erina Fair, Lake Haven, Tuggerah and Wagga Wagga.